22081733613 has 12 divisors (see below), whose sum is σ = 32418720828. Its totient is φ = 14479824960.

The previous prime is 22081733603. The next prime is 22081733617. The reversal of 22081733613 is 31633718022.

22081733613 is a `hidden beast` number, since 2 + 2 + 0 + 8 + 1 + 7 + 33 + 613 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12633310404 + 9448423209 = 112398^2 + 97203^2 .

It is not a de Polignac number, because 22081733613 - 2¹² = 22081729517 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22081733617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20110320 + ... + 20111417.

It is an arithmetic number, because the mean of its divisors is an integer number (2701560069).

Almost surely, 2^22081733613 is an apocalyptic number.

It is an amenable number.

22081733613 is a deficient number, since it is larger than the sum of its proper divisors (10336987215).

22081733613 is a wasteful number, since it uses less digits than its factorization.

22081733613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40221804 (or 40221801 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 22081733613 in words is "twenty-two billion, eighty-one million, seven hundred thirty-three thousand, six hundred thirteen".